program requires money. someone has to pony up. >> oh, yes, sure. >> reporter: there are scarce dollars. >> well, you can always say th that. it was scarce dollars when lewis and clark wanted to go to the west coast and explore the west and people complained about it, i understand, from reading of the history books. >> reporter: the next mission, though, like that financing, is uncertain. there's talk of landing on an asteroid, maybe traveling to mars, but for now we face a troubling fall. >> an end of something means the beginning of something else and i don't think that something else is going to be a... the death of the manned space program. i think we had 50 years job well done but that's just the precursor to even greater things in the future. >> reporter: new break throughs, glenn says, which will happen if the nation which won the race to the moon stays in the game. bob orr, cbs news, columbus, ohio. >> pelley: that's the "cbs evening news" for tonight. for all of us at cbs news all around the world, good night.